@misc{indiciaed7e8b3570c2a,
  title = {A temporary equilibrium model for international migration.},
  author = {S Berninghaus and H G Seifert-vogt},
  year = {1991},
  doi = {10.1007/bf00160366},
  url = {https://pubmed.ncbi.nlm.nih.gov/12316769/},
  note = {Source identifier: 12316769}
}